Get Facebook messages, chats and texts all in the same place, including email by activating your optional Facebook email address, and control who can send you messages through your privacy settings.

新的信息系统是对Facebook内各种feed和聊天记录的一个整合。——对我这样的人来说完全没有意义。

Full conversion history

See everything you’ve ever discussed with each friend as a single conversation, no need for subject lines or other formalities, and you can easily leave large converstaions that no longer interest you.

按好友分类的信息……好吧，现在貌似是个邮件系统都支持这个功能……应该说是Gmail首创的吧。这个实在没啥卖点……

并且，目前无法从对话中删除单条消息（you cannot delete an individual message from a conversion）。

The message you want

Focus on messages from your friends, messages from unknown senders and bulk email go into the Other folder, and spam is hidden from view automatically.